Crops ›› 2019, Vol. 35 ›› Issue (2): 8-14.doi: 10.16035/j.issn.1001-7283.2019.02.002

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Biosafety of Transgenic Crop: Research and Constraint of Potential Ecological Risk of Gene Flow

Lilei Guo1,2,Jialin Zhu3,Shixian Sun2,Shuo Yan1,2   

  1. 1 College of Plant Protection, China Agricultural University, Beijing 100193, China
    2 National Agricultural Technology Extension and Service Center, Beijing 100125, China
    3 Beijing Customs District P. R. China, Beijing 100026, China
  • Received:2018-09-06 Revised:2019-02-18 Online:2019-04-15 Published:2019-04-12
  • Contact: Shuo Yan

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Abstract:

Genetically modified (GM) crop is developing fast in the past 20 years on a large-scale commercialization and extension, which makes a great contribution to the food supply, extension of agriculture function, alleviation of resources constraints and protection of ecological environment. Global concerns and debates have been raised by the biosafety of GM crop while great economic, environmental and social benefits are brought by their planting. Transgene can escape to non-GM crops and wild relatives via gene flow resulting in ecological risk, which is mostly studied by domestic and foreign researchers. This paper mainly compassed the introduction and discussion about the mechanism, ecological risk, risk assessment, and the control measures of gene flow, furthermore, the future utilization of GM technology was proposed.

Key words: Transgenic crop, Gene flow, Ecological safety, Safety assessment, Physical isolation

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